/* Linguen — paleta oficial: 80% carvão + 15% dourado + 5% texto claro/cinza */
:root {
  --carvao: #1a1a1a;
  --carvao-alto: #222222;
  --ouro: #daa520;
  --bronze: #b8860b;
  --claro: #e8e8e8;
  --cinza: #7a7a7a;
  --linha: #333333;
  --mono: ui-monospace, "SF Mono", "JetBrains Mono", "IBM Plex Mono", Menlo, monospace;
  --texto: -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--carvao);
  color: var(--claro);
  font-family: var(--texto);
  font-size: 17px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

.wrap {
  max-width: 720px;
  margin: 0 auto;
  padding: 48px 24px 80px;
}

/* ---- wordmark ---- */
header { margin-bottom: 48px; }

.wordmark {
  display: inline-block;
  font-family: var(--mono);
  font-weight: 700;
  font-size: 34px;
  letter-spacing: -2px;
  color: var(--claro);
  text-decoration: none;
  border-bottom: 4px solid var(--ouro);
  padding-bottom: 4px;
}

.wordmark .cursor {
  color: var(--ouro);
  animation: blink 1.1s step-end infinite;
}

@keyframes blink { 50% { opacity: 0; } }

@media (prefers-reduced-motion: reduce) {
  .wordmark .cursor { animation: none; }
}

.tagline {
  color: var(--cinza);
  font-size: 15px;
  margin: 14px 0 0;
}

/* ---- navegação ---- */
nav {
  margin-top: 24px;
  font-size: 14px;
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
}

nav a { color: var(--cinza); text-decoration: none; border-bottom: 1px solid transparent; }
nav a:hover, nav a:focus { color: var(--ouro); border-bottom-color: var(--ouro); }
nav a[aria-current="page"] { color: var(--claro); }

/* ---- tipografia ---- */
h1 {
  font-size: 30px;
  line-height: 1.25;
  margin: 0 0 8px;
  letter-spacing: -0.4px;
}

h2 {
  font-size: 20px;
  margin: 44px 0 12px;
  padding-top: 20px;
  border-top: 1px solid var(--linha);
  letter-spacing: -0.2px;
}

h3 { font-size: 17px; margin: 28px 0 6px; color: var(--ouro); }

p, li { color: var(--claro); }
p { margin: 0 0 16px; }

.lead { color: var(--cinza); font-size: 18px; margin-bottom: 32px; }

a { color: var(--ouro); text-decoration: none; border-bottom: 1px solid rgba(218, 165, 32, 0.4); }
a:hover, a:focus { border-bottom-color: var(--ouro); }

ul, ol { padding-left: 22px; margin: 0 0 16px; }
li { margin-bottom: 8px; }

code {
  font-family: var(--mono);
  font-size: 0.9em;
  background: var(--carvao-alto);
  border: 1px solid var(--linha);
  border-radius: 4px;
  padding: 1px 6px;
  color: var(--ouro);
}

strong { color: #fff; font-weight: 600; }

/* ---- blocos ---- */
.card {
  background: var(--carvao-alto);
  border: 1px solid var(--linha);
  border-left: 3px solid var(--ouro);
  border-radius: 6px;
  padding: 20px 22px;
  margin: 0 0 28px;
}

.card p:last-child, .card ul:last-child { margin-bottom: 0; }

.steps { list-style: none; padding: 0; counter-reset: step; }

.steps > li {
  counter-increment: step;
  position: relative;
  padding-left: 44px;
  margin-bottom: 24px;
}

.steps > li::before {
  content: counter(step);
  position: absolute;
  left: 0;
  top: 0;
  width: 28px;
  height: 28px;
  border: 1px solid var(--ouro);
  border-radius: 50%;
  color: var(--ouro);
  font-family: var(--mono);
  font-size: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.steps h3 { margin-top: 2px; }

dl { margin: 0; }
dt { font-weight: 600; color: #fff; margin-top: 24px; }
dd { margin: 6px 0 0; color: var(--claro); }

.contato {
  font-family: var(--mono);
  font-size: 0.95em;
  white-space: nowrap;
  overflow-wrap: break-word;
}

/* em telas estreitas o endereço tem que poder quebrar, senão estoura a caixa */
@media (max-width: 420px) {
  .contato { white-space: normal; overflow-wrap: anywhere; }
}

/* ---- rodapé ---- */
footer {
  margin-top: 64px;
  padding-top: 24px;
  border-top: 1px solid var(--linha);
  color: var(--cinza);
  font-size: 13px;
  line-height: 1.6;
}

footer a { color: var(--cinza); border-bottom-color: var(--linha); }
footer a:hover { color: var(--ouro); }
footer p { color: var(--cinza); margin-bottom: 10px; }

.atualizado { font-family: var(--mono); font-size: 12px; color: var(--cinza); }

@media (max-width: 520px) {
  body { font-size: 16px; }
  .wrap { padding: 32px 18px 64px; }
  .wordmark { font-size: 28px; }
  h1 { font-size: 25px; }
}